Sloviansk (Ukraine) (AFP) – Fighting raged on Tuesday in and around Ukraine’s eastern Donbas region as Russian troops tried to maintain a series of battlefield gains, while NATO pressed ahead with Finland and Sweden’s momentous membership bids. Moscow’s forces — buoyed by seizing several cities in the Donbas in recent weeks — continued to press west, pounding their next key target, the city of Sloviansk, with “massive” shelling, the city’s mayor said. At least two people were killed and seven others wounded in Russian strikes targeting its central market, following several days of similarly…